def solve():
    n, m = map(int, input().split())
    a = list(map(int, input().split()))
    
    result = []
    
    for _ in range(m):
        query = list(map(int, input().split()))
        
        if query[0] == 1:
            c, d = query[1], query[2]
            a[c - 1] += d
        else:
            c, d = query[1], query[2]
            result.append(str(max(a[c - 1], 0)))
    
    print("\n".join(result))

if __name__ == "__main__":
    solve()