C++ :

#include <stdio.h>
#include <iostream>
#include <string>
using namespace std;

int main() {
	//freopen("in.txt", "r", stdin);
	char s[111];
	int a,b,c;
	scanf("%s",s);
	sscanf(s,"%d*%d+%d=", &a,&b,&c);
	printf("%s%d", s,a*b+c);

}