R

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>
#include <string.h>
typedef long long LL;
typedef unsigned long long ULL;
LL a[10020] = {0};
#define MAX(a,b) (((a)>(b))?(a):(b))
#define MIN(a,b) (((a)<(b))?(a):(b))
int main(){
    int n,i,j,c,d;

    while(~scanf("%d",&n)){
        c = 0;d = n;
        for(i = 0;i < n;i++){
            scanf("%lld",a + i);
        }
        LL m = 9223372036854775807,M = -1;
        for(i = 0;i < n;i++){
            for(j = i + 1;j < n;j++){
                if(a[j] - a[i] > M){
                    c = i;d = j;
                    M = a[j] - a[i];
                }
            }
        }
        if(M > 0){
            printf("%lld %d %d\n",M,c + 1,d + 1);
        }
        else{
            puts("No profit!");
        }

        memset(a,0,sizeof(a));
    }
    return 0;
}