বাজার-C

#include <stdio.h>

#include<math.h>

int main()

{

int C,D,A,P;

scanf("%d %d %d %d",&C,&D,&A,&P);

if((70*C+120*D+30*A)<=P)

{

printf("Yes, he can buy all things.\n");

}

else

{

printf("No, he can not buy all things.\n");

}

return 0;

}