#include<iostream> #include<cstring> using namespace std; int a,b,c,d,e,f=-1; char x[1005],y[1005]; int main() { cin>>x>>y; a=strlen(x); b=strlen(y); for(c=0;c<a;c++) { e=0; for(d=f+1;d<b;d++) if(x[c]==y[d]) { e=1; f=d; break; } if(e==0) { cout<<"false"; return 0; } } cout<<"ture"; return 0; }