View Compilation Error

0_0_18805088_1314.c: In function 'main':
0_0_18805088_1314.c:18:9: error: expected ')' at end of input
         printf ("%d\n",sum
         ^
0_0_18805088_1314.c:18:9: error: expected declaration or statement at end of input
0_0_18805088_1314.c:18:9: error: expected declaration or statement at end of input