1-3-05: Calculates the floating point value of a fraction

Total time limit:

1000ms

Memory Limit:

65536kB

Describe

Two integers a and B, respectively, as numerator and denominator, both fractional A/b, to find its floating-point value (double-precision floating-point number, 9 digits after the decimal point)

Input

Enter only one row, including two integers a and b

Output

output is only one row, fractional A/b floating-point value (double-precision floating-point number, reserved 9 digits after the decimal point)

Sample input

5 7

Sample output

0.714285714

1#include <stdio.h>2 intMain ()3 {4     Doubleb;5scanf"%LF%LF",&a,&b);6printf"%.9LF", A/b);7     return 0;8}

1-3-05: Calculates the floating point value of a fraction