#include <stdio.h>
#include <iostream>
using std :: cin;
int a[1997], i, cnt, ans;;
int main()
{
    while(cin >> a[++ i])
    	ans += a[i], cnt ++;
    i = 1;
    while(i < cnt)
    	printf("%d+", a[i ++]);
    printf("%d=%d\n", a[i], ans);
    return 0;
}