#include <iostream>#include <algorithm>#include <cstdio>using namespace std;int main(){    int a,b,c;    scanf("%d %d %d",&a,&b,&c);    for(int i=10;i<=100;i++){        if((i-a)/3==0 && (i-b)/5==0 && (i-c)/7==0){            printf("%d",i);            return 0;        }    }    printf("No answer");    return 0;}