View Compilation Error

0_0_24372852_31467.cpp: In function 'int main()':
0_0_24372852_31467.cpp:83:57: error: expected primary-expression before 'if'
         for (int i = 1; i <= n; i++) scanf("%d", &a[i]),if(a[i])link(a[i], i);  
                                                         ^