#include <stdio.h>
using namespace std;
int main() {
    long n, m, a[15000], i, j, x, y, z, s=0;
    FILE *f1 = fopen("datorii.in", "r");
	FILE *f2 = fopen("datorii.out", "w");
    fscanf(f1, "%d%d", &n, &m);
    for(i=1; i<=n; i++) {
             fscanf(f1, "%d", &a[i]);
    }
    for(i=1; i<=m; i++) {
             fscanf(f1, "%d%d%d", &x, &y, &z);
             if(x==0) {
                      a[y]-=z;
             }
             else {
                  for(j=y; j<=z; j++) {
                        s+=a[j];
                  }
                  fprintf(f2, "%d\n", s);
                  s=0;
             }
    }
	fclose(f1);
	fclose(f2);
    return 0;
}