import java.util.Scanner;


public class SegmentFishing {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception{
        int N = NI();
        int Q = NI();
        long[][] seg = new long[N][2];
        StringBuilder sb=new StringBuilder();
        while(Q-->0){
            char c = NC();
            int y = NI();
            int z = NI();
            if(c=='L'){
                seg[y][1]+=z;
            } else if(c=='R'){
                seg[y][0]+=z;
            } else {
                long sum =0;
                for (int i = y; i < z; i++) {
                    sum += seg[i][0]+seg[i][1];
                }
                /*
                for (int i = 0; i < 2; i++) {
                    for (int j = 0; j < seg.length; j++) {
                        System.out.print(seg[j][i]+" ");
                    }
                    System.out.println();
                }
                System.out.println(sum);
                */
                sb.append(sum);
                sb.append('\n');
            }
            
            move(seg);
        }
        System.out.print(sb);
    }
    static void move(long[][] seg){
        long right = seg[seg.length-1][0];
        long left  = seg[0][1];
        // right
        for (int i = seg.length-2; i >= 0; i--) {
            seg[i+1][0] = seg[i][0];
        }
        
        // left
        for (int i = 1;i<seg.length;i++){
            seg[i-1][1] = seg[i][1];
        }
        
        seg[seg.length-1][1] = right;
        seg[0][0] = left;
    }
    static int NI(){
        try {
            int c=System.in.read(),r=0;
            for(;c!='-'&&(c<'0'||'9'<c);)c=System.in.read();
            if(c=='-') return -NI();
            for(;'0'<=c&&c<='9';c=System.in.read())
                r = r * 10 + c - '0';
            return r;
        } catch (Exception e) {
            return -1;
        }
    }
    
    static char NC(){
        try {
            char c=(char)System.in.read();
            for(;c==' '||c=='\n';)c=(char)System.in.read();
            return c;
        } catch (Exception e) {
            return 0;
        }
    }
}