clear
//Given
R0=1.2*10**-15                       //m
A=208
A1=16

//calculation
R=R0*A**0.33
R1=R0*A1**0.33

//Result
printf("\n Nuclear radius of lead is %0.1f  fm",R*10**15)
printf("\n Nuclear radius of oxygen is %0.0f  fm",R1*10**15)