def check(a,b,c):
        l=[a,b,c]
        if(checkint(a) and checkint(b) and checkint(c)):#iii
               return max(l)
        elif (checkfloat(a) and checkfloat(b) and checkfloat(c)):#fff
                return max(l)
        elif((checkfloat(a) and checkfloat(b) and checkint(c))):#ffi
                return max(l)
        elif ((checkfloat(a) and checkint(b) and checkint(c))):#fii
                return max(l)
        elif ((checkint(a) and checkfloat(b) and checkfloat(c))):#iff
                return max(l)
        elif ((checkint(a) and checkint(b) and checkfloat(c))):#iif
                return max(l)
        elif ((checkint(a) and checkfloat(b) and checkint(c))):#ifi
                return max(l)
        elif ((checkfloat(a) and checkint(b) and checkfloat(c))):#fif
                return max(l)
        else:return "error"
def checkint(x):
        if type(x)==int:
                return True
        else: False
def checkfloat(x):
        if type(x)==float:
                return True
        else: False