[koolhead17@localhost addy]$ cc -o bicondi  bicondi.c
bicondi.c: In function ‘main’:
bicondi.c:8: error: expected declaration specifiers before ‘printf’
bicondi.c:9: error: expected declaration specifiers before ‘scanf’
bicondi.c:10: error: expected declaration specifiers before ‘if’
bicondi.c:12: error: expected declaration specifiers before ‘else’
bicondi.c:14: error: expected declaration specifiers before ‘else’
bicondi.c:16: error: expected declaration specifiers before ‘else’
bicondi.c:19: error: expected declaration specifiers before ‘return’
bicondi.c:20: error: expected declaration specifiers before ‘}’ token
bicondi.c:7: error: declaration for parameter ‘marks’ but no such parameter
bicondi.c:20: error: expected ‘{’ at end of input
bicondi.c: In function ‘main’:
bicondi.c:5: warning: return type of ‘main’ is not ‘int’