View Compilation Error

55537_0_8360.c: In function `main':
55537_0_8360.c:6: error: syntax error before '=' token
55537_0_8360.c:7: error: syntax error before ':' token
55537_0_8360.c:7: error: duplicate label `sum'
55537_0_8360.c:6: error: `sum' previously defined here
55537_0_8360.c:7: error: syntax error before '=' token
55537_0_8360.c:7: error: syntax error before ')' token