run error

Please help us to solve the following error.

following are the run error in domjudge.

1)

Non-zero exitcode 137 runtime: 0.013s cpu, 0.016s wall memory used: 1048576 bytes ********** runguard stderr follows ********** /home/domjudge/domjudge/judgehost/bin/runguard: warning: command terminated with signal 9

2)

Non-zero exitcode 1 runtime: 0.022s cpu, 0.024s wall memory used: 3284992 bytes

Program error:

Traceback (most recent call last): File "rank.py", line 2, in <module> print(int(a)+int(b)+int(c)+(d)) TypeError: unsupported operand type(s) for +: 'int' and 'str'

Sunil Kumar UK

Deputy manager (Systems)

ICTS

Amrita Vishwa Vidyapeetham

Amritapuri Campus

Kerala, India 690525

Phone: 9446671509

[Amrita University]