package adv2017;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class N619 {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	void solve()
	{
		int n = ni();
		int[] vs = new int[n/2+1];
		char[] os = new char[n/2];
		for(int i = 0;i < n;i++){
			char c = nc();
			if(i % 2 == 0){
				vs[i/2] = c-'0';
			}else{
				os[i/2] = c;
			}
		}
		SegmentTree4Tuple st = new SegmentTree4Tuple(vs, os);
		for(int Q = ni();Q > 0;Q--){
			int t = nc();
			int x = ni()-1;
			int y = ni()-1;
			if(t == '!'){
				if(x % 2 == 0){
					x /= 2; y /= 2;
					int d = vs[x]; vs[x] = vs[y]; vs[y] = d;
					st.update(x, vs[x]);
					st.update(y, vs[y]);
				}else{
					x /= 2; y /= 2;
					char d = os[x]; os[x] = os[y]; os[y] = d;
					st.updateo(x, os[x]);
					st.updateo(y, os[y]);
				}
			}else{
				long[] res = st.smax(x/2, y/2+1);
				if(res[3] == 1){
					out.println(res[0]);
				}else{
					out.println((res[0]+res[1]+res[2])%1000000007);
				}
			}
		}
	}
	
	public static class SegmentTree4Tuple {
		public int M, H, N;
		public long[][] st;
		public long I = Long.MIN_VALUE/3 + 30000;
		public int mod = 1000000007;
		// L M R A
		public char[] os;
		
		public SegmentTree4Tuple(int[] vs, char[] os)
		{
			N = vs.length;
			M = Integer.highestOneBit(Math.max(N-1, 1))<<2;
			H = M>>>1;
			this.os = Arrays.copyOf(os, H);
			st = new long[M][4];
			for(int i = 0;i < H;i++){
				if(i < N){
					st[H+i][0] = vs[i];
					st[H+i][2] = vs[i];
					st[H+i][3] = 1;
				}else{
					st[H+i] = null;
				}
			}
			for(int i = H-1;i >= 1;i--){
				propagate(i);
			}
		}
		
		private void propagate(int i)
		{
			int h = Integer.highestOneBit(2*i);
			int rind = (2*i+1-h)*(H/h);
			long[] P = st[i], L = st[2*i], R = st[2*i+1];
			char O = os[rind-1];
			propNC(P, L, R, O);
		}
		
		private long[] propNC(long[] P, long[] L, long[] R, char O)
		{
			if(O == 0){
				if(L != null){
					P[0] = L[0];
					P[1] = L[1];
					P[2] = L[2];
					P[3] = L[3];
					return P;
				}else{
					return P;
				}
			}
			if(O == '+'){
				if(L[3] == 0){
					if(R[3] == 0){
						P[0] = L[0];
						P[1] = (L[1] + R[1] + L[2] + R[0]) % mod;
						P[2] = R[2];
					}else{
						P[0] = L[0];
						P[1] = (L[1] + R[1] + L[2]) % mod;
						P[2] = R[2];
					}
				}else{
					if(R[3] == 0){
						P[0] = L[0];
						P[1] = (L[1] + R[1] + R[0]) % mod;
						P[2] = R[2];
					}else{
						P[0] = L[0];
						P[1] = (L[1] + R[1]) % mod;
						P[2] = R[2];
					}
				}
				P[3] = 0;
			}else if(O == '*'){
				P[3] = 0;
				if(L[3] == 0){
					if(R[3] == 0){
						P[0] = L[0];
						P[1] = (L[1] + R[1] + L[2] * R[0]) % mod;
						P[2] = R[2];
					}else{
						P[0] = L[0];
						P[1] = (L[1] + R[1]) % mod;
						P[2] = L[2]*R[2]%mod;
					}
				}else{
					if(R[3] == 0){
						P[0] = L[0]*R[0]%mod;
						P[1] = (L[1] + R[1]) % mod;
						P[2] = R[2];
					}else{
						P[0] = P[2] = L[0]*R[0]%mod;
						P[1] = 0;
						P[3] = 1;
					}
				}
			}
			return P;
		}
		
		public void update(int pos, long v)
		{
			st[H+pos][0] = v;
			st[H+pos][2] = v;
			st[H+pos][3] = 1;
			for(int x = H+pos>>>1;x != 0;x>>>=1){
				int h = Integer.highestOneBit(2*x);
				int rind = (2*x+1-h)*(H/h);
				char O = os[rind-1];
				propNC(st[x], st[2*x], st[2*x+1], O);
			}
		}
		
		public void updateo(int pos, char c)
		{
			os[pos] = c;
			int x = (H>>>Integer.numberOfTrailingZeros(pos+1)+1)+(pos+1>>>Integer.numberOfTrailingZeros(pos+1)+1);
			for(;x != 0;x>>>=1){
				int h = Integer.highestOneBit(2*x);
				int rind = (2*x+1-h)*(H/h);
				char O = os[rind-1];
				propNC(st[x], st[2*x], st[2*x+1], O);
			}
		}
		
		public long[] smax(int l, int r){ return smax(l, r, 0, H, 1); }
		
		private long[] smax(int l, int r, int cl, int cr, int cur)
		{
			if(l <= cl && cr <= r){
				return Arrays.copyOf(st[cur], st[cur].length);
			}else{
				int mid = cl+cr>>>1;
				long[] L = null, R = null;
				if(cl < r && l < mid){
					L = smax(l, r, cl, mid, 2*cur);
				}
				if(mid < r && l < cr){
					R = smax(l, r, mid, cr, 2*cur+1);
				}
				if(L != null && R != null){
					int h = Integer.highestOneBit(2*cur);
					int rind = (2*cur+1-h)*(H/h);
					char O = os[rind-1];
					return propNC(new long[4], L, R, O);
				}
				return L != null ? L : R;
			}
		}
	}

	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new N619().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}