#include <iostream>

int main() {
    int data[] = {2, 1, 3, 2, 5, 1, 1, 2, 3};
    int size = sizeof(data)/sizeof(data[0]);

    int max = 0;
    int len = 0;
    int sum = 0;

    int start = 0;
    
    for(int i = 0; i<size; i++) 
    {
        sum+=data[i];
        len++;

        while( sum > 10) 
        {
            sum -= data[start];
            start++;
            len--;
        }

        if(max < len) 
        {
            max = len;
        }

    }

    printf("%d" , max);
}