View Compilation Error

0_0_5985598_3650.c: In function `main':
0_0_5985598_3650.c:39: error: `x' undeclared (first use in this function)
0_0_5985598_3650.c:39: error: (Each undeclared identifier is reported only once
0_0_5985598_3650.c:39: error: for each function it appears in.)
0_0_5985598_3650.c:39: error: `y' undeclared (first use in this function)
0_0_5985598_3650.c:39: error: syntax error before '{' token
0_0_5985598_3650.c: At top level:
0_0_5985598_3650.c:52: error: syntax error before "return"