/home/Hayrw7/prog.fs(1,14): error FS0001: The type 'float' is not compatible with any of the types byte,int16,int32,int64,sbyte,uint16,uint32,uint64,nativeint,unativeint, arising from the use of a printf-style format string
/home/Hayrw7/prog.fs(1,21): error FS0001: The type 'int' does not match the type 'unit'
/home/Hayrw7/prog.fs(1,19): error FS0043: The type 'int' does not match the type 'unit'