#include <stdio.h>

int main() {
    int Quant,i, result=0, Dias=1;
    scanf("%d", &Quant);
    int N[Quant];
    for(i=0; i<Quant;i++){
        scanf("%d", &N[i]);
        if(result+N[i]<1000000){
            Dias=Dias+1;
            result=result+N[i];
        }
        else{
            break;
        }
    }
    printf("%d", Dias);
    return 0;
    

}