PROGRAMMING:Abbreviation of University

Input the full English name of a University (both case and case), and output the abbreviation of the University (in upper case). The general English abbreviation is the first letter of each word in the full name of the University, but the abbreviation does not include of and.
###Input format:
Enter the full English name of a university, and separate the words with spaces.
###Output format:
The English abbreviation of the output capital.
###Input sample 1:
Here is a set of inputs. For example:
```in
Massachusetts Institute of Technology
```
###Output sample 1:
The corresponding output is given here. For example:
```out
MIT
```
###Input sample 2:
Here is a set of inputs. For example:
```in
zhejiang university of science and technology
```
###Output sample 2:
The corresponding output is given here. For example:
```out
ZUST
```






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