use std::io::*;
 
// N行の各列ごとの合計を計算する
fn calc_sum_each_column() -> Result<(i32, i32, i32)> {
    let stdin1 = stdin();
    let mut str1 = String::new();
    let _unuse1 = stdin1.read_line(&mut str1);
    let str2 = str1.split_whitespace().nth(0).unwrap();
    let n = str2.parse().unwrap();
    let sum1 = 0;
    let sum2 = 0;
    let sum3 = 0;
    for _unuse2 in 1..n {
        let mut str3 = String::new();
        let _unuse3 = stdin1.read_line(&mut str3);
        let str4 = str3.split_whitespace().nth(0).unwrap();
        let column1: i32 = str4.parse().unwrap();
        let str5 = str3.split_whitespace().nth(1).unwrap();
        let column2: i32 = str5.parse().unwrap();
        let str6 = str3.split_whitespace().nth(2).unwrap();
        let column3: i32 = str6.parse().unwrap();
        let sum1 = sum1 + column1;
        let sum2 = sum2 + column2;
        let sum3 = sum3 + column3;
        if sum1 != sum1 + column1 {
            println!("計算が間違ってます！");
        }
        if sum2 != sum2 + column2 {
            println!("計算が間違ってます！");
        }
        if sum3 != sum3 + column3 {
            println!("計算が間違ってます！");
        }
    }
    return Ok((sum1, sum2, sum3));
}
 
 
fn main() {
    let (sum1, sum2, sum3) = calc_sum_each_column().unwrap();
    if sum1 == 28 {
        if sum2 == 308 {
            if sum3 == 280 {
                println!("計算に成功しました！");
            } else {
                println!("計算に失敗しました！");
            }
        } else {
            println!("計算に失敗しました！");
        }
    } else {
        println!("計算に失敗しました！");
    }
}
 

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7 3
1 10 50
2 21 40
3 32 20
4 43 10
5 54 60
6 65 70
7 76 30