#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,Q; ll X[101010]; ll Y[101010]; ll mo=1000000007; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>Q; while(Q--) { cin>>s>>x; if(s=="x") cin>>X[x]; else if(s=="y") cin>>Y[x]; else if(s=="a") { ll A=1,B=1; FOR(i,x) { if(X[i]) (A += X[i]*B%mo*B)%=mo; if(Y[i]) { B = (B*Y[i]+1)%mo; } else { B=1; } } cout<