View Compilation Error

55526_0_28724.c: In function `main':
55526_0_28724.c:6: error: syntax error before '=' token
55526_0_28724.c:7: error: syntax error before ':' token
55526_0_28724.c:7: error: duplicate label `sum'
55526_0_28724.c:6: error: `sum' previously defined here
55526_0_28724.c:7: error: syntax error before '=' token
55526_0_28724.c:7: error: syntax error before ')' token