#include using namespace std; typedef long long ll; typedef vector vi; typedef vector vl; typedef pair pii; typedef int _loop_int; #define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i) #define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i) #define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i) #define DEBUG(x) cout<<#x<<": "<=97 && s[i]<=122) continue; }else{ if(s[i]==32) continue; } cout << "No" << endl; return 0; } cout << "Yes" << endl; return 0; }